Navigation device



FIG. 1 is a top perspective view of a navigation device.

FIG. 2 is a front view of the navigation device.

FIG. 3 is a rear view of the navigation device.

FIG. 4 is a top view of the navigation device.

FIG. 5 is a left side view of the navigation device.

FIG. 6 is a bottom view of the navigation device; and,

FIG. 7 is a right side view of the navigation device. 

CLAIM We claim the ornamental design for a navigation device, as shown. 